Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 839-00159 found under Detector Fire by Automation Products Group Inc. The National Stock Number assigned to this part is 6340005353003, and the Federal Supply Class is 6340 Aircraft Alarm And Signal Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 839-00159.